# Fire systems permit B100960747 at 142 E Ontario St, Chicago

Chicago Department of Buildings permit B100960747: issued Apr 5, 2022 for fire systems work at 142 E Ontario St. Fire alarm permit adding new fire alarm devices to the 3rd & 15th floor tenant spaces.

- Permit number: B100960747
- Issued: Apr 5, 2022
- Type of work: Fire systems (city: Fire alarm system, permit – express permit program)
- Status: Finished (city: Complete)
- Reported cost: $4,500
- ZIP code: 60611 (derived from location)
- All permits at this address: https://nearbypermits.com/chicago/address/142-e-ontario-st/

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Source: Chicago Department of Buildings permit data (https://data.cityofchicago.org/d/ydr8-5enu). Checked 2026-10-07 18:34 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

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Every permit at 142 E Ontario St: https://nearbypermits.com/chicago/address/142-e-ontario-st/